Upgrade your RC model's performance with this precision-engineered Brass Motor Shaft Coupling. Designed for seamless power transmission in RC boats, cars, and airplanes, this durable coupler ensures a secure connection between motors and drive shafts. Crafted from brass, this coupling offers superior strength and corrosion resistance, ensuring long-lasting reliability under demanding conditions. Its gold-colored finish adds a sleek, professional look to your RC setup. Available in multiple inner diameters (2mm, 2.3mm, 3mm, 3.17mm, 4mm, 5mm, 6mm), this versatile adapter accommodates various motor and shaft sizes, making it ideal for customization and upgrades. The set includes four screws and a hex key for easy and secure installation. Perfect for hobbyists and RC enthusiasts, this metal coupling enhances power transfer efficiency, reducing slippage and vibration for smoother operation. Whether you're building, repairing, or enhancing your RC vehicle, this brass transmission joint delivers precision and durability for optimal performance. Compatible with a wide range of RC motor components, this coupling is a must-have for anyone serious about RC modeling. Elevate your builds with a reliable, high-performance connector designed for speed, power, and control.